6372921 has 8 divisors (see below), whose sum is σ = 8510560. Its totient is φ = 4241952.

The previous prime is 6372913. The next prime is 6372929. The reversal of 6372921 is 1292736.

6372921 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6372913) and next prime (6372929).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6372921 - 2³ = 6372913 is a prime.

It is a super-2 number, since 2×6372921² = 81228244144482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6372929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (1063820).

Almost surely, 2^6372921 is an apocalyptic number.

It is an amenable number.

6372921 is a deficient number, since it is larger than the sum of its proper divisors (2137639).

6372921 is a wasteful number, since it uses less digits than its factorization.

6372921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its digits is 4536, while the sum is 30.

The square root of 6372921 is about 2524.4644976707. The cubic root of 6372921 is about 185.4013298653.

The spelling of 6372921 in words is "six million, three hundred seventy-two thousand, nine hundred twenty-one".